What are the differences between <https://github.com/apple/swift-evolution/pull/502> and <https://github.com/apple/swift-evolution/blob/master/proposals/0073-noescape-once.md> ?
application(_:handleEventsForBackgroundURLSession:completionHandler:) has an @escaping `completionHandler`, so can @required be enforced? <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160125/008478.html> -- Ben _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution
